You need almost a minute to copy a high-definition, 1080p version of the movie Avatar from a USB stick to a Microsoft Surface tablet. Eric Almgren and his colleagues at secretive Silicon Valley startup Keyssa can do it much faster. To demonstrate, Chief Executive Officer Almgren positions a hard drive implanted with the company's wireless connector a few millimeters from a similarly equipped Dell tablet and taps them together, initiating a high-bandwidth data exchange. The movie, which had been saved on the hard drive, is on the tablet within five seconds. Keyssa is trying to bring a new level of wireless transfer speed to consumer phones, laptops, and home appliances. After five years of working in secret, the company is unveiling what it calls "kiss connectivity." Keyssa says the technology-essentially a complex radio that uses high frequencies-will provide a faster alternative to today's tangle of wireless network equipment and cords, which often produce signals that interfere with Wi-Fi and Bluetooth. Keyssa aims to replace plugs and ports with low-power wireless connectors that use the extremely high-frequency (EHF) radio band used mostly by astronomers.
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